A Study Evaluating the Efficacy and Safety of Pegozafermin in Participants With MASH and Fibrosis (ENLIGHTEN-Fibrosis)

Key Inclusion Criteria: * Males or non-pregnant females aged between 18 and 80 years (inclusive) at time of signing the informed consent form (ICF) * Biopsy-confirmed MASH with fibrosis stage F2 or F3 * Body mass index (BMI) at screening ≥25.0 kilograms (kg)/meters squared (m\^2) (≥23 kg/m\^2 for Asian participants). Key Exclusion Criteria: * Chronic liver diseases other than MASH * Evidence of cirrhosis on screening liver biopsy * Have type 1 diabetes or poorly controlled type 2 diabetes * Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) ≥250 units per liter (U/L) * Participants taking vitamin E (\>400 international units \[IU\]/day) or pioglitazone must be on stable dose for at least 6 months prior to Screening Other inclusion and exclusion criteria may apply.